/*
 * ****************************************************************************
 * Copyright (c) 2013, Daniel Murphy All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright notice, this list of conditions
 *   and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice, this list of
 *   conditions and the following disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ****************************************************************************
 */
package org.jbox2d.dynamics

// updated to rev 100
/**
 * This holds contact filtering data.
 *
 * @author daniel
 */
class Filter {
  /** The collision category bits. Normally you would just set one bit. */
  var categoryBits = 0x0001

  /**
   * The collision mask bits. This states the categories that this shape would accept for collision.
   */
  var maskBits = 0xFFFF

  /**
   * Collision groups allow a certain group of objects to never collide (negative) or always collide
   * (positive). Zero means no collision group. Non-zero group filtering always wins against the
   * mask bits.
   */
  var groupIndex = 0

  fun set(argOther: Filter) {
    categoryBits = argOther.categoryBits
    maskBits = argOther.maskBits
    groupIndex = argOther.groupIndex
  }
}
